Boiler-furnace



(NofModel.)

S. S. HORNER. `'BOILER PURNAGB.

Patented Nov. 10, 1896.

UNITED STATES PATENT QEETCE.

SAMUEL S. I-IORNER, OF CONEMAUGH, PENNSYLVANIA.

`BOILER-FURNACE.

SPECIFICATION forming part of Letters Patent No. 570,995, dated November 10, 1896. Application filed .Tuly 6,1896. Serial No. 598,176.` (No model.)

of Pennsylvania, have invented a new and useful Boiler-Furnace, of which the following is a specification.

The purpose of this invention is to utilize.

the heat of steam-boiler furnaces to the best possible advantage and to raise the temperature of the water prior to introducing it into the boiler.

In practicing the invention a 'pipe'is built into the brickwork or masonry forming the fire-box and is located at such a point as to receive the full benefit of the heat. Incidental to this construction the walls of the firethe adjacent brick having a corresponding hot-Water pipe.

socket to receive the said projecting portion and an opening leading from the socket forming a duct for the pouring into the joint of aliquid cement to form a bond between the bricks.

The invention also consists of certainvdetails of construction and novel features,which hereinafter will be more particularly7 set forth, illustrated, and iinally claimed.

The improvement is susceptible of various changes in the form, proportion, and the minor details of construction without departing from the principle or sacriiicing any of the advantages thereof, and to a full disclosure of the invention an adaptation thereof is shown in the accompanying drawings, in which v Figure 1 is a detail View of a steam-boiler furnace having the invention applied. Fig. 2 is a plan section of the iire-box, taken through the course of brick in which is located'the Fig. 3 is a detail view of a corner-brick, showing the parts separated.

Corresponding and like parts are referred to in the following description and indicated in the several Views of the drawings by the same reference-characters.

The invention is intended to be applied to the fire-box of a furnace of any make having its walls constructed of brickwork or masonry. At a distance of about a foot abovethe gratebars a pipe l is let into the walls of the fire-box and the Water courses therethrough on its Way to replenish the boiler and is heated in its travel through the pipe and around the fire-box,thereby en tering the boiler at or about a boiling-point. 1

' In constructing the furnace a course of brick of peculiar construction is located at the proper elevation above the grate-bars, so as to receive the pipe l, the brick entering into the formation of this course being of similar construction and having an opening 2, through which the pipe l passes. One end of a brick 3 is formed with a projection 4, and the-meeting end of the adjacent brick is provided with a socket 5 of corresponding shape to the projection 4, so as toreceive the latter when the bricks are placed end to end. An opening 6 extends outward from the socket 5 and forms a passage or duct through which is poured a cementing solution, such as liquid cement, to bond the bricks after being placed together. Each brick has a projection 4 at one end and a corresponding socket 5 at the opposite end, thereby admitting of the bricks being laid together and facing in the same direction. The corner-bricks 7 are formed in a similar manner to the body-bricks 3, with this exception, that they are divisible on a line corresponding with the opening through which the pipe passes, so as to admit of the cast-metal elbow S being readily placed in position. This course of brick is built into the Walls of the furnace in precisely the same manner as the ordinary fire-brick, and is located at the required height so as to attain the full benefit of the heat.

The water-pipe l will be of the kind usually employed for purposes of this character, and will be of a size according to the capacity of the boiler and the quantity of water to be fed thereto in a given time. There may be one or more courses of the bricks 3 and as many pipes l as desired. The Water from the tank or source of supply enters at 9, and after IOO coursing through the pipe l leaves at IO and passes directly into the boiler. The Water in circulating around the iire-boX cools the walls thereof and prevents overheating, and in turn is heated to nearly a boiling-point, and in this condition is fed to the boiler, thereby resulting in an economical consumption of fuel and utilizing of heat generally wasted.

Having thus described the invention, what is claimed as new isl. In a boiler-furnace, the combination of a course of brick built into the Walls of the fireboX a proper distance above the grate-bars, and having an opening' therethrough,r and a water-pipe located in the opening of the course of brick, substantially as and for the purpose set forth.

2. In a boiler-furnace, the combination of a course of brick located a distance above the grate-bars and built into the Walls of the firebox, and having an opening therethrough, the

end of one brick having a socket and the opposing end of the adjacent brick having a corresponding projection to enter the said socket, and a pipe extending through the opening in the said course of brick, substantially as and for the purpose set forth.

3. In a boiler-furnace, the combination of a course of brick built into the Walls of the firebox a distance above the grate-bars, and having an opening therethrough, the cornerbricks being divisible on a line corresponding With the opening, and a pipe located in the opening of the said course of brick, substantially as and for the purpose set forth.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two Witnesses.

SAMUEL S. HORNER. lVitn esses:

GEORGE IIORNER, R. B. HORNER. 

